Similar title to Antonovsky, M.Y. & Buchstaber, V.M. (1991). An Exploratory Analysis of Long-Term Trends in Atmospheric CO2 Concentrations. IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-91-011. Reprinted from Tellus B, 43(2):171-187 [1991] 10.1034/j.1600-0889.1991.00011.x.